Activities for Unit 3 Post Activities you've created for Unit 3 here.
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Here is a carbon cycle activity the students can do in small groups. Students are given a set of card, which shows sources and sinks of carbon dioxide. They sort the cards and discuss. Next they pick 3 human sources of CO2, and dicuss how they personally can reduce CO2 in thier lives. An excellent way to use the student's "culture" to involve them in the lesson. Enjoy.
(To get the cards, you can go here. The file size is LARGE, so it takes a minute to open. Just leave it until it opens and save a copy of the PDF)

- Jennifer Leffel